Speaker



FIG. 1 is a top, front, right-side perspective view of a speaker embodying my design;

FIG. 2 is a bottom, front, left-side perspective view thereof;

FIG. 3 is a top, rear, left-side perspective view thereof;

FIG. 4 is a bottom, rear, right-side perspective view thereof.

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front view thereof;

FIG. 8 is a rear view thereof;

FIG. 9 is a right-side view thereof; and,

FIG. 10 is a left-side view thereof.

All features in broken line form no part of the claimed subject matter. 

CLAIM The ornamental design for a speaker, as shown and described. 